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Abstract

The disaster of the Deepwater Horizon platform, while drilling the Macondo 252 well in the Gulf of Mexico in 2010 is for now the last of numerous tragedies, blowouts, and oil spills resulting from petroleum engineering activities. After the accident, several commissions, investigation groups, advisory committees, and company reports were prepared. They investigate causes and consequences of the disaster from different standpoints, but mainly come to the same conclusions. The “nth” approach is presented in this chapter.

Safety In Drilling Operations

To that time one of the best standards for elaboration of well integrity in drilling operations was NORSOK standard D-010 (2004) due the extensive activities offshore. It defines the requirements and guidelines related to well barriers with adequate schematics and tables determining features and acceptance criteria for primary and secondary barriers.